chore(deps): update rabbitmq docker tag to v3.13 (#2962)

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This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| rabbitmq | minor | `3.12-alpine` -> `3.13-alpine` |

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docker-compose.yml

@@ -12,7 +12,7 @@ services:
       test: pg_isready -U libretime
 
   rabbitmq:
-    image: rabbitmq:3.12-alpine
+    image: rabbitmq:3.13-alpine
     environment:
       RABBITMQ_DEFAULT_VHOST: ${RABBITMQ_DEFAULT_VHOST:-/libretime}
       RABBITMQ_DEFAULT_USER: ${RABBITMQ_DEFAULT_USER:-libretime}